Lager
A chap goes to the doctors and asks for help with his love life. What seems to be the problem the doctor asks and the chap replies that when he makes love he doesn't get any feeling. It feels like your not touching the sides asks the doctor. Thats exactly it says the man, can you help?. The doctor asks what he drinks and the man replies lager, thats the trouble says the doctor, lager shrivels things up you should try drinking a brown beer like guiness. A few months pass and the doctor happens to see the chap in the high street, hows you sex life he asks and the chap replies absolutely briallant, good says the doctor, drinking plenty of guiness and he replies no I've got the wife on lager